How to Set the JAVA_HOME Environment Variable for Java Applications in macOS X 10.6?

Setting the JAVA_HOME Environment Variable for Java Applications in macOS X 10.6

To locate the current Java Virtual Machine (JVM) in macOS X 10.6, several possible paths for the JAVA_HOME environment variable exist:

• /Library/Java/Home
• /System/Library/Frameworks/JavaVM.framework/Home
• /System/Library/Frameworks/JavaVM.framework/Versions/Current

Choosing the Correct Path

The recommended approach is to use the output of the /usr/libexec/java_home command to set JAVA_HOME. This command will provide the Java path specified in your Java preferences pane. By using this method, you can ensure you have the correct path for your specific Java installation and system configuration.

To set the JAVA_HOME environment variable using the command, add the following line to your .bashrc file:

export JAVA_HOME=$(/usr/libexec/java_home)

Changing JAVA_HOME for Different Java Versions

If you need to switch to an earlier version of Java for specific applications, you can modify the JAVA_HOME variable accordingly. For example, to set JAVA_HOME to Java 5 on OS X, run the following command:

export JAVA_HOME=$(/usr/libexec/java_home -v 1.5)

Adding java_home to Your Path

If the java_home command is not in your path, add it by running the following command:

sudo ln -s /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java_home /usr/libexec/java_home

References:

• [Oracle Explanation of the java_home Command](https://docs.oracle.com/javase/7/docs/technotes/tools/findingjavahome.html)
• [Configuring the JDK in Spring Tool Suite (Eclipse 2019) on MacOS](https://dzone.com/articles/configuring-the-jdk-in-spring-tool-suite-eclipse-2)

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